html,body{
    height:100%;
}
body{
    background-color:#00BCD4;
}
.container{
    width: 400px;
    margin: 0 auto;
    text-align: center;
    border: solid 1px #999;
    box-shadow: 1px 1px 0px 0px teal;
    background-color:#eee;
}
.container button{
    float: left;
    margin: 5px;
    cursor: pointer;
    border: none;
    background-color: crimson;
    color: #eee;
    font-size: 14px;
    font-weight: bolder;
}
.container #app{
    clear:both;
}
.container #app table{
    margin: 0 auto;
    border-spacing: 12px;
}
.container #app table thead td{
    font-size: 16px;
    font-weight: bolder;
}
.cur{
    background-color:#0f7ed6;
    color:#eee;
}

